All Articles
The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers
March 2005 by Chris Ralph
This last installment in the series will look at methods for finding and recovering coarse gold from alluvial (river and stream) placer environments. Unlike the residual and eluvial placers that we have considered previously, the force of flowing...
US Files Charges Against Gold Refiner
Authorities filed criminal charges against one of the largest gold refiners in the United States, accusing the company of participating in an illegal, $4.5 million money-laundering operation involving tainted gold from South America for at least four months.
Small Mine Selective Blasting
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
Company Notes
• Pan American Silver Corp.
• ESG Canada
• Vista Gold Corp.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
Searching for Gold at Paradise Valley, Alaska
There are lots of stories about the big gold found in Alaska, but where does a prospector get the idea that it’s something the every day gold miner might get involved in? One must understand that the quest for gold in the mid-1800s brought...
Exploration Rush at Tonopah, Nevada
A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.
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The Bawl Mill
• $100 Million Lost on Faulty ESA Listing
• Geologists Locate Giant Gemstones
• Miner Wins Important Victory Against Forest Service
• Philippines Asks Foreigners to Invest in Mining
• Healthy Interest at Recent Vancouver Conferences
• Idaho Silver Miners Come to Aid of Tsunami Victims
• Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains
• Researchers Trace History of Hope Diamond
• The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada
• Looking Back
• Resolution Copper Mine, Arizona
• Company Notes
• China Ups Investment in Foreign Minerals
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
